A secret network of wildlife traffickers selling baby chimpanzees has been exposed by a year-long BBC News investigation. The tiny animals are seized from the wild and sold as pets. The BBC’s research uncovered a notorious West African hub for wildlife trafficking, known as the “blue room”, and led to the rescue of a one-year-old chimp.

Rare monkeys in the forests of Brazil are being decimated by yellow fever. The outbreak started in late 2016 and, as is often the case in South America, it has spread to humans, killing at least 50 since the start of 2017.

The extraordinary life of an English village's resident gorilla that had its own bedroom, went for walks with schoolchildren and could do its own washing-up has been revealed. The ape played with children, ate roses from gardens and even enjoyed drinking tea and cider. Photographs of his Gloucestershire life - including being carried around by children in a wheelbarrow - have emerged in a new book.

In a study of unprecedented scope, a team of 31 primatologists has analyzed every known species of primate to judge how they are faring. The news for man’s closest animal relatives is not good. Three-quarters of primate species are in decline, the researchers found, and about 60 percent are now threatened with extinction. From gorillas to gibbons, primates are in significantly worse shape now than in recent decades because of the devastation from agriculture, hunting and mining.